SGM SGD1011 LED Constant Current Driver Datasheet

About this manual

The SGD1011 is a continuous inductor current mode buck constant current source designed to drive one or more series-connected LEDs. It features an integrated power switch with 0.3 Ω on-resistance and supports input voltages from 6V to 36V. The chip offers dimming functionality via the DIM pin, supporting both analog dimming and a wide range of PWM dimming ratios. This manual is written in Chinese.

What's inside

• Product Overview
• Main Technical Parameters
• Applications
• Typical Application Circuit
• Pin Configuration
• Functional Block Diagram
• Absolute Maximum Ratings
• Recommended Operating Conditions
• Electrical Characteristics
• Functional Description

Frequently asked questions

Which packages are available for the SGD1011?

It is available in SOT89-5, SOT23-5, and ESOP8 packages.

What is the maximum output current of the SGD1011?

The maximum output LED current is 1.2A.

What is the input voltage range for the SGD1011?

The input voltage can range from 6V to 36V.

What is the maximum operating frequency of the chip?

The maximum operating frequency is 1 MHz.